'Oregon grape' definitions:

Small shrub with grey-green leaves and yellow flowers followed by glaucous blue berries [syn: Oregon grape, Mahonia nervosa]

Ornamental evergreen shrub of Pacific coast of North America having dark green pinnate leaves and racemes of yellow flowers followed by blue-black berries [syn: Oregon grape, Oregon holly grape, hollygrape, mountain grape, holly- leaves barberry, Mahonia aquifolium]